Here is the full list of all 64 Out There: O Edition achievements.
Find a way back home
Rule the Enemy
Purge a star system ruled by the Enemy
Reach the very last star
Build all Space Folder upgrades
Reach the Iron Star Station
Talk with 15 alien races
Terraform a planet
Meet the Judge Architect
Build a Death Seed
Build a telescope and its 2 upgrades
Travel through a black hole
Find the cathedral
Bring back an alien on its homeworld
Find a yellow ship
Learn all the alien words
Encounter 10 alien races
Board a huge ship
Set your ship at 100% efficiency
Have the nostalgia of hamburgers.
Set your ship at 100% resistance
Board a weird ship
Rule 140 star systems !
Map 120 star systems
Meet 5 alien races
Board a strange ship
Build the Ansible
Learn how to say "Love" in alien
Set your ship at 100% ecosystem
Find the Crescent ship
Have your oxygen below 5%
Jettison a human
Receive a SOS
What a huge ship !
Fix something with Omega
Meet the Enemy
Discover 80 star systems
Receive a special call
Board a new ship
Use the Synergy
Risk everything and live to tell
Find an Artifact
Probe a star for fuel
Scan a planet
Dig some gold !
Have an equipement destroyed
Dismantle your space folder
Drill an inhabited planet
Visit 30 star systems
Orbit a black hole !
Approach a Black Hole
Have your fuel below 5%
Break your drill
Have your hull below 5%
Orbit a Star
Receive some Omega
Meet an Alien
Explore 10 star systems
Build a Space Folder
Board a space station
Know all alien races
Save your kind
You have gathered the interstellar alliance
You met with 30 alien races.